#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
	int num = -1;
	int count = 0;
	int i = 0;
	for (i = 0; i < 32; i++)
	{
		if (num & (1 << i))
		{
			count++;
		}
	}
	printf("%d", count);
	return 0;
}